#!/usr/bin/python
check_list = [11,13,14,16,17,18,19,20]
def find_answer(step):
	for i in xrange(step,999999999,step):
		if all(i % x == 0 for x in check_list): # If all the numbers are divisible, that's the meaning of all
			return i
	return None

print find_answer(20)
